“...Britvin began to equip the mine himself. Nearby, on the overcoat, a half-meter piece of fuse cord and a yellow fuse cylinder, found at Maslakov’s place at night, were already lying. However, filling the mine was not difficult. Ten minutes later, Britvin filled half the can with ammonite, carefully fixed the fuse in the middle, and let the end of the cord out over the edge. “It will burn for exactly fifty seconds.” This means we need to set it on fire, about thirty meters before reaching the bridge. Probably for better detonation, or something, he pulled a grenade out of his pocket - a yellow German “testicle” with a belt - and also strengthened it in the middle. Then he filled the can up to the top with ammonite. “That’s it!” In the middle of the bridge with a cart - vek! And a whip on the horse. Until the policemen come to their senses, they will grab their dear soul. ..."